Tire.



1.T.TROTTER.

.TIRE

APPLICATION FILED MAY20.1915. l

1,2 l 37557 l Patnted Jan. 23, 1917 E. Il; l

-IHIIIIIIII 35 scale.

Joni: THOMAS Tno'rrnn, or New Yonx, N; Y. y

TIRE.

' specification of Letters. Patent.

Patented aan. 23, ieri.

Application filed May 2G, 1916( Serial No. 98,721?.

To all whom 'it may concern l Be it knownl that l, JOHN T., TROTTER, a citizen of the United States, and a resident of the city oi-Nen' York, borough of Brook- 5 lyn, inthe countyor". Kings and State of New York, have invented a new and linproved Tire, of which the following is a full, clear, and exact description.

This invention relates to tires anda-,particularly to a nonpuncturable tire which gives substantially the same ed'ect as the ordinary pneumatic tire now commoniy in use.4v

The object in view is to provide a. resilient tire for wheels which is simple, strong and eiiective and which does not depend'upon air for giving the cushioning eiiect.

Another object in view is to provide a tire witha spring and associated parts including. rubber cushioning blocks for giving the same appearance and thefsame eiiect as the ordinary pneumatic` tire now. commonly in use.

A still furtheribbject in view is to provide a resilient tire in which the resiliency is produced by a plurality of independent members acting together.

-n the accompanying drawing: Figure l is a fragmentary side view of a tire and part of a Wheel partly in section embodying the invention. Fig. Q is a section through Fig.

l on line 2 2, the same being on an enlarged scale. Fig. 3y is a section through Fig. l on line 8 3, the same being on an enlarged Referring to the accompanying drawing by numerals, l indicates a Wheel and 2 the,

telly-thereof to which is secured clamping plates 3 and 4 by any suitable means, as for instance, screws 5. The clamping plates 3 and 4; overlap a metallic rim 6, which rim is provided with beads 7 interlocking the clamping plates andwith a hollow or grooved portion for receivingy a coiled -spring 8, said coiled spring extending entirely around the periphery of the rim 6.

The spring 8 may be of any strength and may thereby be caused to produce any desired resiliency, the size and strength of the spring corresponding to the load which it is designed to carry; Surrounding the spring y'8 or partially surrounding the same are arc-l sha-ped covering members Sand l0 formed preferably .of metal and preferably Somewhat resilient, `these members being con- 55..k

. outer peripheral portion are separated'an appreciable distance so as to accommodate the rubber cushioning band 15, which cushion` ing band is provided with a plurality of radially extending lugs 16, said lugs extend-,70 ing through apertures in the covering member- 9. @ther material having substantially the same characteristic as rubber may 'be substituted for members. `15 'and 16," By using these members not only is the tire 7 5 given substantially the appearance of th?7 ordinary tire now in use but rubber grip ping members will be provided for gripping the surface of the ground and for acting as cushioning members which transmit j 'the e@ strain to the covering member 10, Wliii'n"` covering member takes up some of the strain but transmits most 4of the strain to the spring' 8. Y

It will thus be seen that by the. resiiiencyof members 9 and 10 three distinct cushion ing means are provided for the tire, namely, spring 8, covering members 9 and 10 and the rubber strip 15 with its lugs 16. The rubber cushioning band l5 together 4with the 9ol lugs 16 may be made oi` one piece if desired and placed in position before the screws 11 are placed in position, or they may be made in separate sections and inserted independently. The covering members 9 and 10, 95 however, are vcomplete rings and transmit strain to the spring 8 and' distribute the strain therefrom. The covering member 10 is sufficiently resilient to allow any particular section or part to be depressed so as to lou take up local inaccuracies or roughness of the road, thus simulating the action of a pneumatic tire.

What claim is: In a device of the character described, a covering member for a tire comprising an inner ringl are-shaped'in crossfseetion, an

outer ringen-shaped in cross section, said outer' rlng being arrnged linl contact with the inner ring at the egges and spa'edfrom` -the inner ring 'along its4 peripheral 1ine,` means forQrigidly "securing said outer ring and said inner ring together, said rings being formed of niets-1, said. outer ring having st plurality of apertures therein, and a; Cushionlng member arranged between saidlrings,

JoHN THOMAS TROTTER.

tures. 

